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AK: Add Formatter<FormatString> as helper class.

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asynts 2021-01-09 01:00:22 +01:00 • committed by Andreas Kling
parent 9a842ec419
commit 1160817a9e
13 changed files with 64 additions and 94 deletions
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17
AK/Format.h
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@ -359,7 +359,7 @@ struct Formatter<std::nullptr_t> : Formatter<FlatPtr> {
}
};
void vformat(StringBuilder& builder, StringView fmtstr, TypeErasedFormatParams);
void vformat(StringBuilder&, StringView fmtstr, TypeErasedFormatParams);
void vformat(const LogStream& stream, StringView fmtstr, TypeErasedFormatParams);
#ifndef KERNEL
@ -435,6 +435,20 @@ template<typename T>
struct Formatter<FormatIfSupported<T>> : __FormatIfSupported<T, HasFormatter<T>::value> {
};
// This is a helper class, the idea is that if you want to implement a formatter you can inherit
// from this class to "break down" the formatting.
struct FormatString {
};
template<>
struct Formatter<FormatString> : Formatter<String> {
template<typename... Parameters>
void format(FormatBuilder& builder, StringView fmtstr, const Parameters&... parameters)
{
vformat(builder, fmtstr, VariadicFormatParams { parameters... });
}
void vformat(FormatBuilder& builder, StringView fmtstr, TypeErasedFormatParams params);
};
} // namespace AK
#ifndef KERNEL
@ -448,3 +462,4 @@ using AK::warnln;
using AK::dbgln;
using AK::FormatIfSupported;
using AK::FormatString;